问题:单选题Which statement is true regarding Flashback Version Query? ()A It returns versions of rows only within a transaction.B It can be used in subqueries contained only in a SELECT statement.C It will return an error if the undo retention time is less tha...
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问题:单选题The user SCOTT who is the owner of ORDERS and ORDERJTEMS tables issues the following GRANT command: GRANT ALL ON orders, order_items TO PUBLIC; What correction needs to be done to the above statement? ()A PUBLIC should be replaced with specifi...
问题:单选题Evaluate the following SQL statements that are issued in the given order: What would be the status of the foreign key EMP_MGR_FK?()A It would be automatically enabled and deferred.B It would be automatically enabled and immediate.C It would remai...
问题:多选题Which three statements are true regarding single-row functions?()AThey can accept only one argument.BThey can be nested up to only two levels.CThey can return multiple values of more than one data type.DThey can be used in SELECT, WHERE, and ORDER BY c...
问题:多选题Which statements are correct regarding indexes? ()AWhen a table is dropped, the corresponding indexes are automatically dropped.BFor each DML operation performed, the corresponding indexes are automatically updated.CIndexes should be created on columns...
问题:单选题View the Exhibit and examine the structure of the ORDERS table. Which task would require subqueries? ()A displaying the total order value for sales representatives 161 and 163B displaying the order total for sales representative 161 in the year 19...
问题:单选题View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables. Evaluate the following SQL statement: SELECT oi.order_id, product_jd, order_date FROM order_items oi JOIN orders o USING (order_id); Which statement is true regard...
问题:单选题Evaluate the CREATE TABLE statement: CREATE TABLE products (product_id NUMBER (6) CONSTRAINT prod_id_pk PRIMARY KEY, product_name VARCHAR2 (15)); Which statement is true regarding the PROD_ID_PK constraint?()A It would be created only if a uni...
问题:多选题Which three tasks can be performed using regular expression support in Oracle Database 10g?()Ait can be used to concatenate two strings.Bit can be used to find out the total length of the string.Cit can be used for string manipulation and searching ope...
问题:单选题Which statement is true regarding Flashback Version Query?()A It returns versions of rows only within a transaction.B It can be used in subqueries contained only in a SELECT statement.C It will return an error if the undo retention time is less than...
问题:多选题View the Exhibit and examine the data in the PRODUCT INFORMATION table. Which two tasks would require subqueries? ()Adisplaying the minimum list price for each product statusBdisplaying all supplier IDs whose average list price is more than 500Cdisplay...
问题:单选题View the Exhibit and examine the data in ORDERS_MASTER and MONTHLYjDRDERS tables. What would be the outcome of the above statement?()A The ORDERS_MASTER table would contain the ORDERJDs 1 and 2.B The ORDERS_MASTER table would contain the ORDERJDs 1...
问题:单选题Evaluate the following SQL statements that are issued in the given order: What would be the status of the foreign key EMP_MGR_FK?()A It would be automatically enabled and deferred.B It would be automatically enabled and immediate.C It would rema...
问题:单选题The details of the order ID, order date, order total, and customer ID are obtained from the ORDERS table. If the order value is more than 30000, the details have to be added to the LARGEjDRDERS table. The order ID, order date, and order total should be...